舟山柔直直流断路器用电容器运行评价Operation Evaluation of Capacitors for DC Circuit Breaker in Zhoushan VSC-HVDC Project
刘黎,任敏强,李剑波,张吼
LIU Li,REN Minqiang,LI Jianbo,ZHANG Hou
摘要(Abstract):
舟山多端柔性直流输电换流站内直流断路器作为针对直流断路器用电力电子电容器的首台首套设备,目前尚无评价办法。对其工作原理、组成结构和技术特点等进行了介绍,对投运近3年的2台断路器主支路的直流支撑及转移支路吸收电容器进行了应力分析和抽检试验,给出运行评价流程,为后续其他直流电网工程提供经验借鉴。
There is no evaluation method for a DC circuit breaker that uniquely adopts power electronic capacitor in Zhoushan VSC-HVDC project. The principle, components and technical characteristics are introduced. Stress analysis and sampling test on DC support and transfer branch absorption capacitor of two circuit breakers that have operated three years are conducted, and the operation evaluation process is given, which provides experience for other DC power grid projects.
关键词(KeyWords):
柔性直流;直流断路器;电容器;应力分析
VSC-HVDC;DC circuit breaker;capacitor;stress analysis
基金项目(Foundation): 浙江省电力有限公司群创项目(5211ZS19000U)
作者(Author):
刘黎,任敏强,李剑波,张吼
LIU Li,REN Minqiang,LI Jianbo,ZHANG Hou
DOI: 10.19585/j.zjdl.201912018
参考文献(References):
- [1]DORN J,HUANG H,RETZMANN D.A new multilevel voltage-sourced converter topology for HVDC applications[C]//CIGRE Session. Paris,France:CIGRE,2008:1-8.
- [2]PIROUZ H M,BINA M T,KANZI K.A new approach to the modulationand DC-link balancing strategy of modular multilevel AC/ACconverters[C]//The 6th International Conference on Power Electronicsand Drive Systems(PEDS).Kuala Lumpur,Malaysia:IEEE,2005:1503-1507.
- [3]徐政,刘高任,张哲任.柔性直流电网的故障保护原理研究[J].高电压技术,2017,43(1):1-8.
- [4]汤广福.基于电压源换流器的高压直流输电[M].北京:中国电力出版社,2010:16-17.
- [5]孔明,邱宇峰,贺之渊,等.模块化多电平式柔性直流输电换流器的预充电控制策略[J].电网技术,2011,35(11):67-73.
- [6]裘鹏,杨美娟,章姝俊,等.MMC-MTDC系统协调启动控制策略[J].电网技术,2015,39(7):1800-1807.
- [7]管敏渊,徐政,屠卿瑞,等.模块化多电平换流器型直流输电的调制策略[J].电力系统自动化,2010,34(2):48-52.
- [8]管敏渊,徐政.模块化多电平换流器型直流输电的建模与控制[J].电力系统自动化,2010,34(19):64-68.
- [9]裘鹏,黄晓明,唐庚,等.一种新的柔性直流输电系统远端启动策略[J].电力系统自动化,2015,39(2):100-105.
- [10]魏晓光,杨兵建,汤广福.高压直流断路器技术发展与工程实践[J].电网技术,2017,41(10):3181-3185.
- [11]许烽,李继红,朱承治,等.直流断路器对直流电网过电压特性的影响分析[J].浙江电力,2017,36(9):13-17.
- [12]许烽,江道灼,虞海泓,等.一种H桥型高压直流断路器的拓扑结构和故障隔离策略研究[J].浙江电力,2016,35(12):5-10.